Patents by Inventor Raymond Wei Cen

Raymond Wei Cen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20120107259
    Abstract: A personal care composition and a method of using personal care compositions which results in increased fragrance retention when such compositions are applied to a keratin surface including hair and skin. The personal care compositions contain a quaternary ammonium compound, one or more fragrances, and a personal care acceptable carrier.
    Type: Application
    Filed: November 1, 2011
    Publication date: May 3, 2012
    Applicant: Elementis Specialties, Inc.
    Inventors: Raymond Wei CEN, Binhua YANG, Timothy Patrick KENNY
  • Patent number: 6488943
    Abstract: The present invention relates to an antimicrobial wipe effective against Gram positive bacteria, Gram negative bacteria, fungi, yeasts, molds, and viruses comprising a porous or absorbent sheet impregnated with an antimicrobial cleansing composition, wherein the antimicrobial cleansing composition comprises from about 0.001% to about 5.0%, by weight of the antimicrobial cleansing composition, of an antimicrobial active; from about 0.05% to about 10%, by weight of the antimicrobial cleansing composition, of an anionic surfactant; from about 0.1% to about 10%, by weight of the antimicrobial cleansing composition, of a proton donating agent; and from about 3% to about 99.85%, by weight of the antimicrobial cleansing composition, water; wherein the composition is adjusted to a pH of from about 3.0 to about 6.0; wherein the antimicrobial cleansing composition an One-wash Immediate Germ Reduction Index of greater than about 1.
    Type: Grant
    Filed: March 27, 2000
    Date of Patent: December 3, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Peter William Beerse, Jeffrey Michael Morgan, Kathleen Grieshop Baier, Theresa Anne Bakken Schuette, Raymond Wei Cen
  • Patent number: 6482423
    Abstract: The present invention relates to an antimicrobial wipe comprising a porous or absorbent sheet impregnated with an antimicrobial cleansing composition, wherein the antimicrobial cleansing composition comprises from about 0.001% to about 5.0%, by weight of the antimicrobial cleansing composition, of an antimicrobial active; from about 0.05% to about 10%, by weight of the antimicrobial cleansing composition, of an anionic surfactant; from about 0.1% to about 10%, by weight of the antimicrobial cleansing composition, of a proton donating agent; and from about 3% to about 99.85%, by weight of the antimicrobial cleansing composition, water; wherein the composition is adjusted to a pH of from about 3.0 to about 6.0; wherein the antimicrobial cleansing composition has a Gram Positive Residual Effectiveness Index of greater than about 0.5; and wherein the antimicrobial cleansing composition has a Mildness Index of less than about 0.3.
    Type: Grant
    Filed: March 27, 2000
    Date of Patent: November 19, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Peter William Beerse, Jeffrey Michael Morgan, Kathleen Grieshop Baier, Theresa Anne Bakken Schuette, Raymond Wei Cen, Mannie Lee Clapp, Raphael Warren
  • Patent number: 6428799
    Abstract: The present invention relates to a substantially dry, disposable personal care article suitable for cleansing and/or therapeutically treating comprising a water insoluble substrate which comprises a non-scouring, lofty, low density batting layer which comprises synthetic fibers and wherein said batting layer exhibits a number of physical properties either individually or in combination which are believed to contribute to the overall effectiveness of the personal care article of the present invention. The physical properties of the batting include a Lather Permeability of at least 0.2 g/sec at 7 cm H2O, a Lather Permeability Critical Pressure of less than about 4 cm H2O, an Air Permeability of at least 900 ft3/min/ft2, a Compression Relaxation Hysteresis Value of from about 25% to about 60%, and an Abrasiveness Value of greater than about 15. These articles have been found to be particularly useful for personal cleansing applications, namely for the skin and hair.
    Type: Grant
    Filed: November 19, 1999
    Date of Patent: August 6, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Raymond Wei Cen, Nichola Jacqueline Phipps, Edward Dewey Smith, III
  • Patent number: 6413529
    Abstract: The present invention relates to an antimicrobial wipe comprising a porous or absorbent sheet impregnated with an antimicrobial cleansing composition, wherein the antimicrobial cleansing composition comprises from about 0.001% to about 5.0%, by weight of the antimicrobial cleansing composition, of an antimicrobial active; from about 0.05% to about 10%, by weight of the antimicrobial cleansing composition, of an anionic surfactant; from about 0.1% to about 10%, by weight of the antimicrobial cleansing composition, of a proton donating agent; and from about 3% to about 99.85%, by weight of the antimicrobial cleansing composition, water; wherein the composition is adjusted to a pH of from about 3.0 to about 6.0; wherein the antimicrobial cleansing composition has a Gram Negative Residual Effectiveness Index of greater than about 0.3. The invention also relates to these antibacterial wipes wherein the antimicrobial cleansing composition has a Mildness Index of greater than about 0.3.
    Type: Grant
    Filed: March 27, 2000
    Date of Patent: July 2, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Peter William Beerse, Jeffrey Michael Morgan, Kathleen Grieshop Baier, Raymond Wei Cen, Theresa Anne Bakken Schuette